Samurai Jack: The Shadow Of Aku
Crystal sword
While playing the game, press Left Analog-stick Down + Right Analog-stick Up, X, Circle, Square, Triangle.
Maximum Zen
While playing the game, hold the Left Analog-stick Left + Right Analog-stick Right, then press Circle, X, Square, Triangle.
Sketch gallery
Successfully complete the game on the easy difficulty setting to unlock the sketch gallery.
Background gallery
Successfully complete the game on the normal difficulty setting to unlock the background gallery.
Model gallery
Successfully complete the game on the hard difficulty setting to unlock the model gallery.